<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>03-柱形图</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .box{
            display: flex;
            width: 700px;
            height: 300px;
            border-left: 1px solid pink;
            border-bottom: 1px solid pink;
            margin: 50px auto;
            justify-content: space-around;
            align-items: flex-end;
            text-align: center;
        }
        .box>div{
            display: flex;
            width: 50px;
            background-color: pink;
            flex-direction: column;
            justify-content: space-between;
        }
        .box div span{
            margin-top: -20px;
        }
        .box div h4{
            margin-bottom: -35px;
            width: 70px;
            margin-left: -10px;
        }

    </style>
</head>
<body>
    <script>
        // arr[123, 135, 345, 234]
        let arr = []
        for(let i = 0; i < 4; i++){
            arr.push(prompt(`请输入第${i + 1}季度的数据`))
        }
        document.write(`<div class="box">`)
        
        for(let i = 0; i < arr.length; i++){
          document.write(`
            <div style="height: ${arr[i]}px;">
            <span>${arr[i]}</span>
            <h4>第${i + 1}季度</h4>
            </div>
          `)
        }

        document.write(`</div>`)
    </script>
</body>
</html>
